"The winter storm will surge from the Rockies across the midwest and southern US on Friday, ending up on the east coast over the weekend. At least 230 million people are expected to be affected in some way by the storm with roads set to become dangerously icy and power blackouts expected in multiple locations. This storm is being caused by a mass of frigid air from the Arctic hitting warmer, moister air in the US."
"Research published last year found that the stretching of the polar vortex in this way is contributing to extreme weather in the US and that global heating, counterintuitively, could be playing a role in accelerating this process. The Arctic is heating up as much as four times as quickly as the rest of the planet, with these elevated temperatures causing a series of knock-on impacts that may be altering the polar vortex."
Donald Trump erroneously cited an enormous winter storm as proof that the world is not heating due to burning fossil fuels. The storm will surge from the Rockies across the Midwest and southern US to the East Coast, affecting at least 230 million people with icy roads and possible power blackouts. Frigid Arctic air colliding with warmer, moister air after polar vortex weakening causes such storms. Research found polar vortex stretching contributes to extreme US weather and that global heating may accelerate the process. The Arctic is warming up to four times faster than the global average, and sea ice loss amplifies these effects. Single regional winter events do not negate long-term global warming.
Read at www.theguardian.com
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